{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{1}{c}{\specialcell{ Diarrhea in \\ $\leq$ 12 y.o. \\ in last two weeks }}&\multicolumn{1}{c}{\specialcell{ Diarrhea in \\ $\leq$ 5 y.o. \\ in last two weeks  }}&\multicolumn{1}{c}{\specialcell{ Reported \\ As poisoning }}&\multicolumn{1}{c}{\specialcell{ Observed \\  As poisoning }}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Treated             &      -0.005   &      -0.008   &       0.001   &      -0.001*  \\
                    &     (0.006)   &     (0.010)   &     (0.002)   &     (0.001)   \\
Constant            &      -0.006   &      -0.018***&      -0.007***&      -0.001** \\
                    &     (0.004)   &     (0.007)   &     (0.002)   &     (0.001)   \\
\hline
p-value (analytical)&        0.43   &        0.41   &        0.60   &        0.10   \\
p-value (RBI)       &        0.59   &        0.57   &        0.54   &        0.19   \\
Mean at baseline    &        0.02   &        0.04   &        0.01   &        0.00   \\
R$^2$               &        0.01   &        0.01   &        0.01   &        0.01   \\
N                   &        2949   &        1079   &        5786   &        5993   \\
\hline\hline
\end{tabular}
}
